FILE - In this March 27, 2018, file photo, a group of sanctuary state supporters gather outside the Orange County Board of Supervisors meeting in Santa Ana, Calif., as they prepare to discuss joining a DOJ lawsuit against the state of California. More local governments in California are resisting the state's efforts to resist the Trump administration's immigration crackdown, and political experts see politics at play as Republicans try to fire up voters in a state where the GOP has grown weak. (Jeff Gritchen/The Orange County Register via AP, File)

SAN DIEGO - The Latest on actions by local governments considering opposition to a California law limiting police collaboration with U.S. immigration agents (all times local):

2:15 p.m.

A majority of the San Diego County Board of Supervisors has voted to back a Trump administration lawsuit against a California law that limits police co-operation with federal immigration agents.

The vote Tuesday was 3-1 in favour, with one member absent, to file a brief in support — but not immediately.

Board Chair Kristin Gaspar says they expect the Trump administration to prevail in the lawsuit and will join in when California appeals.

Gaspar is a Republican running among more than a dozen candidates for a California congressional seat.

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12:45 p.m.

San Diego County leaders have heard public input on whether to join a Trump administration lawsuit opposing a California law that limits police co-operation with federal immigration authorities.

The Board of Supervisors went into closed session Tuesday after hearing from residents. A decision is expected by late afternoon.

It comes after leaders of the tiny Orange County community of Los Alamitos voted late Monday to approve an ordinance that seeks to exempt the city from the so-called sanctuary law on the grounds it is unconstitutional.

The ACLU Foundation of Southern California says the city is obligated to follow state law.

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9:50 a.m.

A small crowd of supporters and opponents of California's so-called sanctuary law has gathered outside a meeting where the San Diego County Board of Supervisors will consider joining a Trump administration lawsuit against the state.

The discussion Tuesday follows a vote by leaders of the tiny Orange County city of Los Alamitos to enact an ordinance that seeks to exempt the city from the state law on grounds it is unconstitutional.

Kim Moore of the San Diego Immigrant Rights Coalition says she came to the meeting to convey the message that San Diego is very diverse and supervisors should listen to their constituents.

On the other side, Robin Hvidston of the organization We The People Rising says she opposes the state law because it's a public safety issue.

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2:28 a.m.

The conservative backlash against California's so-called sanctuary law has taken the form of lawsuits and public tongue-lashings.

But one tiny city in Orange County took the step of declaring itself legally exempt.

After a peaceful but noisy confrontation Monday by demonstrators on both sides of the issue, the Los Alamitos City Council began hearing hours of public comment on whether it should enact an ordinance exempting the city on grounds that the state's policy is unconstitutional. The council approved the ordinance late Monday night in a 4-1 vote.

The city of 12,000 argues that the federal government — not the state — has authority over immigration.

It's the same argument made by the Trump administration, which sued California last month. On Tuesday, the Board of Supervisors in San Diego County — a region of more than 3 million people that borders Mexico — will meet to consider joining that suit.

News from © The Associated Press, 2018